Bats are flying mammals, and good citizenship involves obeying rules. A number is divisible by 10 if its last digit is 0, and the solution to the equation 3x + 6 = 21 is x = 5. Additional information includes facts about angles and the nature of quadrilaterals.

1. Bats are mammals that can fly. You are a good citizen when you obey
rules and regulations.

2. A number is divisible by 10 if its last
digit is a 0.
3𝑥 + 6 = 21, because 𝑥 = 5

3. Filipinos are God-fearing people.
All right angles are congruent.

4. The sum of the measures of
complementary angles is 90°.
A quadrilateral has four sides.